immer-mobil TCN 8200 Mode D'emploi page 125

is not transmitted to the tread.
4 - Side ring. This is a metal ring comprising several steel
strands. The casing plies are secured to the side ring.
5 - Belt. This is a non-flexible circumferential structure
comprising cross-plies at very low angles, positioned
below the tread, with the aim to stabilise the casing in
the footprint area.
6 - Centring band. This is a small mark that indicates
the circumference of the upper part of the bead and is
used as a reference to control correct tyre centring on
the rim after mounting.
7 - Protective band. This is a circumferential marking
in the area of the sidewall which is more exposed to
accidental rubbing.
8 - Sidewall. This is the area between the shoulder and
the centring band. It consists of a more or less thin layer
of rubber, which protects the casing plies from lateral
impact.
9 - Inner lining. This is a vulcanised, compound sheet,
impermeable to air, inside tubeless tyres.
10 - Filling. It is a rubber profile with a triangular section,
placed above the rim; it provides rigidity for the bead
and gradually offsets the abrupt uneven thickness caused
by the side ring.
11 - Flap. This is the part of the casing ply around the
side ring and placed against the casing, to secure the
ply and prevent it from slipping.
12 - Foot. This is the innermost layer of the tread in contact
with the belt, or if the latter is not present (conventional
tyres) with the last casing ply.
13 - Shoulder. This is the outer part of the tread, between
the corner and start of the sidewall.
Operator manual
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